module.exports = function (db, callback) {
  // 用户模型
  db.define("CategoryModel", {
    cat_id: { type: 'serial', key: true },
    cat_name: String,
    cat_pid: Number,
    cat_level: Number,
    cat_deleted: Boolean
  }, {
    table: "sp_category"
  });
  return callback();
}